diff --git a/pkgs/development/tools/language-servers/yaml-language-server/default.nix b/pkgs/development/tools/language-servers/yaml-language-server/default.nix
index 080b39dcf46e5..f9de9fed9ee05 100644
--- a/pkgs/development/tools/language-servers/yaml-language-server/default.nix
+++ b/pkgs/development/tools/language-servers/yaml-language-server/default.nix
@@ -15,7 +15,6 @@ mkYarnPackage rec {
     hash = "sha256-DS5kMw/x8hP2MzxHdHXnBqqBGLq21NiZBb5ApjEe/ts=";
   };
 
-  packageJSON = ./package.json;
   offlineCache = fetchYarnDeps {
     yarnLock = "${src}/yarn.lock";
     hash = "sha256-zHcxZ4VU6CGux72Nsy0foU4gFshK1wO/LTfnwOoirmg=";
diff --git a/pkgs/development/tools/language-servers/yaml-language-server/package.json b/pkgs/development/tools/language-servers/yaml-language-server/package.json
deleted file mode 100644
index c270da41f4df5..0000000000000
--- a/pkgs/development/tools/language-servers/yaml-language-server/package.json
+++ /dev/null
@@ -1,108 +0,0 @@
-{
-  "name": "yaml-language-server",
-  "description": "YAML language server",
-  "version": "1.14.0",
-  "author": "Gorkem Ercan (Red Hat)",
-  "license": "MIT",
-  "contributors": [
-    {
-      "name": "Joshua Pinkney",
-      "email": "joshpinkney@gmail.com"
-    },
-    {
-      "name": "Yevhen Vydolob",
-      "email": "yvydolob@redhat.com"
-    },
-    {
-      "name": "Google LLC"
-    }
-  ],
-  "bin": {
-    "yaml-language-server": "./bin/yaml-language-server"
-  },
-  "main": "./out/server/src/index.js",
-  "keywords": [
-    "yaml",
-    "LSP"
-  ],
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/redhat-developer/yaml-language-server.git"
-  },
-  "optionalDependencies": {
-    "prettier": "2.8.7"
-  },
-  "dependencies": {
-    "ajv": "^8.11.0",
-    "lodash": "4.17.21",
-    "request-light": "^0.5.7",
-    "vscode-json-languageservice": "4.1.8",
-    "vscode-languageserver": "^7.0.0",
-    "vscode-languageserver-textdocument": "^1.0.1",
-    "vscode-languageserver-types": "^3.16.0",
-    "vscode-nls": "^5.0.0",
-    "vscode-uri": "^3.0.2",
-    "yaml": "2.2.2"
-  },
-  "devDependencies": {
-    "@microsoft/eslint-formatter-sarif": "3.0.0",
-    "@types/chai": "^4.2.12",
-    "@types/mocha": "8.2.2",
-    "@types/node": "16.x",
-    "@types/prettier": "2.7.2",
-    "@types/sinon": "^9.0.5",
-    "@types/sinon-chai": "^3.2.5",
-    "@typescript-eslint/eslint-plugin": "^5.38.0",
-    "@typescript-eslint/parser": "^5.38.0",
-    "chai": "^4.2.0",
-    "coveralls": "3.1.1",
-    "eslint": "^8.24.0",
-    "eslint-config-prettier": "^8.5.0",
-    "eslint-plugin-import": "^2.26.0",
-    "eslint-plugin-prettier": "^4.2.1",
-    "http-proxy-agent": "^5.0.0",
-    "https-proxy-agent": "^5.0.0",
-    "mocha": "9.2.2",
-    "mocha-lcov-reporter": "^1.3.0",
-    "nyc": "^15.1.0",
-    "rimraf": "^3.0.2",
-    "sinon": "^9.0.3",
-    "sinon-chai": "^3.5.0",
-    "source-map-support": "^0.5.19",
-    "ts-node": "^10.0.0",
-    "typescript": "^4.8.3"
-  },
-  "scripts": {
-    "clean": "rimraf out/server && rimraf lib",
-    "compile": "tsc -p .",
-    "watch": "tsc --watch -p .",
-    "test": "mocha --require ts-node/register --timeout 5000 --ui bdd ./test/*.test.ts",
-    "coverage": "nyc mocha --require ts-node/register --timeout 5000 --require source-map-support/register --recursive --ui bdd ./test/*.test.ts",
-    "coveralls": "nyc --reporter=lcov --reporter=text mocha --timeout 5000 --require ts-node/register --require source-map-support/register --recursive --ui bdd ./test/*.test.ts",
-    "lint": "eslint --max-warnings 0 -c .eslintrc.js --ext .ts src test",
-    "lint-ci": "eslint --max-warnings 0 -c .eslintrc.js -f @microsoft/eslint-formatter-sarif -o eslint-result.sarif --ext .ts src test",
-    "prettier-fix": "yarn prettier --write .",
-    "build": "yarn clean && yarn lint && yarn compile && yarn build:libs",
-    "build:libs": "yarn compile:umd && yarn compile:esm",
-    "compile:umd": "tsc -p ./tsconfig.umd.json",
-    "compile:esm": "tsc -p ./tsconfig.esm.json",
-    "check-dependencies": "node ./scripts/check-dependencies.js",
-    "pull-remote": "git pull https://github.com/redhat-developer/yaml-language-server.git main"
-  },
-  "nyc": {
-    "extension": [
-      ".ts",
-      ".tsx"
-    ],
-    "exclude": [
-      "**/*.d.ts",
-      "test/",
-      "out",
-      "lib",
-      "coverage/",
-      ".eslintrc.js",
-      "scripts"
-    ],
-    "all": true
-  }
-}